Home / 30,425.44-41,987.20-16,996.72

Finding the Fourth Proportional to 30,425.44, 41,987.20 and 16,996.72

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Solution

The fourth proportional to 30,425.44, 41,987.20 and 16,996.72 is: 23,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.44 : 41,987.20 = 16,996.72 : x
  2. Step 2: Convert to fraction form
    30,425.44/41,987.20 = 16,996.72/x
  3. Step 3: Cross multiply
    30,425.44x = 41,987.20 × 16,996.72
  4. Step 4: Simplify right side
    30,425.44x = 713,644,681.98
  5. Step 5: Solve for x
    x = 713,644,681.98/30,425.44
  6. Step 6: Final answer
    x = 23,455.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.